or Brit  de*ion*ise  vt, -ized  or Brit  -ised  -iz*ing  or Brit  -is*ing  :  to remove ions from < water by ion exchange>  de*ion*iza*tion n de*ion*iz*er n 
 
 
 
Similar sounding terms:  dens  densa  DN·ase  TENS 
 
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